1HEADmaster

1 files changed, 194 insertions, 0 deletions

diff --git a/game/client/fx_tracer.cpp b/game/client/fx_tracer.cpp
new file mode 100644
index 0000000..cec013a
--- /dev/null
+++ b/game/client/fx_tracer.cpp
@@ -0,0 +1,194 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+#include "cbase.h"
+#include "fx.h"
+#include "c_te_effect_dispatch.h"
+#include "basecombatweapon_shared.h"
+#include "baseviewmodel_shared.h"
+#include "particles_new.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+ConVar r_drawtracers( "r_drawtracers", "1", FCVAR_CHEAT );
+ConVar r_drawtracers_firstperson( "r_drawtracers_firstperson", "1", FCVAR_ARCHIVE, "Toggle visibility of first person weapon tracers" );
+
+#define	TRACER_SPEED			5000 
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+Vector GetTracerOrigin( const CEffectData &data )
+{
+	Vector vecStart = data.m_vStart;
+	QAngle vecAngles;
+
+	int iAttachment = data.m_nAttachmentIndex;
+
+	// Attachment?
+	if ( data.m_fFlags & TRACER_FLAG_USEATTACHMENT )
+	{
+		C_BaseViewModel *pViewModel = NULL;
+
+		// If the entity specified is a weapon being carried by this player, use the viewmodel instead
+		IClientRenderable *pRenderable = data.GetRenderable();
+		if ( !pRenderable )
+			return vecStart;
+
+		C_BaseEntity *pEnt = data.GetEntity();
+
+// This check should probably be for all multiplayer games, investigate later
+#if defined( HL2MP ) || defined( TF_CLIENT_DLL )
+		if ( pEnt && pEnt->IsDormant() )
+			return vecStart;
+#endif
+
+		C_BaseCombatWeapon *pWpn = dynamic_cast<C_BaseCombatWeapon *>( pEnt );
+		if ( pWpn && pWpn->ShouldDrawUsingViewModel() )
+		{
+			C_BasePlayer *player = ToBasePlayer( pWpn->GetOwner() );
+
+			// Use GetRenderedWeaponModel() instead?
+			pViewModel = player ? player->GetViewModel( 0 ) : NULL;
+			if ( pViewModel )
+			{
+				// Get the viewmodel and use it instead
+				pRenderable = pViewModel;
+			}
+		}
+
+		// Get the attachment origin
+		if ( !pRenderable->GetAttachment( iAttachment, vecStart, vecAngles ) )
+		{
+			DevMsg( "GetTracerOrigin: Couldn't find attachment %d on model %s\n", iAttachment, 
+				modelinfo->GetModelName( pRenderable->GetModel() ) );
+		}
+	}
+
+	return vecStart;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void TracerCallback( const CEffectData &data )
+{
+	C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
+	if ( !player )
+		return;
+
+	if ( !r_drawtracers.GetBool() )
+		return;
+
+	if ( !r_drawtracers_firstperson.GetBool() )
+	{
+		C_BasePlayer *pPlayer = dynamic_cast<C_BasePlayer*>( data.GetEntity() );
+
+		if ( pPlayer && !pPlayer->ShouldDrawThisPlayer() )
+			return;
+	}
+
+	// Grab the data
+	Vector vecStart = GetTracerOrigin( data );
+	float flVelocity = data.m_flScale;
+	bool bWhiz = (data.m_fFlags & TRACER_FLAG_WHIZ);
+	int iEntIndex = data.entindex();
+
+	if ( iEntIndex && iEntIndex == player->index )
+	{
+		Vector	foo = data.m_vStart;
+		QAngle	vangles;
+		Vector	vforward, vright, vup;
+
+		engine->GetViewAngles( vangles );
+		AngleVectors( vangles, &vforward, &vright, &vup );
+
+		VectorMA( data.m_vStart, 4, vright, foo );
+		foo[2] -= 0.5f;
+
+		FX_PlayerTracer( foo, (Vector&)data.m_vOrigin );
+		return;
+	}
+	
+	// Use default velocity if none specified
+	if ( !flVelocity )
+	{
+		flVelocity = TRACER_SPEED;
+	}
+
+	// Do tracer effect
+	FX_Tracer( (Vector&)vecStart, (Vector&)data.m_vOrigin, flVelocity, bWhiz );
+}
+
+DECLARE_CLIENT_EFFECT( "Tracer", TracerCallback );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void ParticleTracerCallback( const CEffectData &data )
+{
+	C_BasePlayer *player = C_BasePlayer::GetLocalPlayer();
+	if ( !player )
+		return;
+
+	if ( !r_drawtracers.GetBool() )
+		return;
+
+	if ( !r_drawtracers_firstperson.GetBool() )
+	{
+		C_BasePlayer *pPlayer = dynamic_cast<C_BasePlayer*>( data.GetEntity() );
+
+		if ( pPlayer && !pPlayer->ShouldDrawThisPlayer() )
+			return;
+	}
+
+	// Grab the data
+	Vector vecStart = GetTracerOrigin( data );
+	Vector vecEnd = data.m_vOrigin;
+
+	// Adjust view model tracers
+	C_BaseEntity *pEntity = data.GetEntity();
+	if ( data.entindex() && data.entindex() == player->index )
+	{
+		QAngle	vangles;
+		Vector	vforward, vright, vup;
+
+		engine->GetViewAngles( vangles );
+		AngleVectors( vangles, &vforward, &vright, &vup );
+
+		VectorMA( data.m_vStart, 4, vright, vecStart );
+		vecStart[2] -= 0.5f;
+	}
+
+	// Create the particle effect
+	QAngle vecAngles;
+	Vector vecToEnd = vecEnd - vecStart;
+	VectorNormalize(vecToEnd);
+	VectorAngles( vecToEnd, vecAngles );
+	DispatchParticleEffect( data.m_nHitBox, vecStart, vecEnd, vecAngles, pEntity );
+
+	if ( data.m_fFlags & TRACER_FLAG_WHIZ )
+	{
+		FX_TracerSound( vecStart, vecEnd, TRACER_TYPE_DEFAULT );	
+	}
+}
+
+DECLARE_CLIENT_EFFECT( "ParticleTracer", ParticleTracerCallback );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void TracerSoundCallback( const CEffectData &data )
+{
+	// Grab the data
+	Vector vecStart = GetTracerOrigin( data );
+	
+	// Do tracer effect
+	FX_TracerSound( vecStart, (Vector&)data.m_vOrigin, data.m_fFlags );
+}
+
+DECLARE_CLIENT_EFFECT( "TracerSound", TracerSoundCallback );
+